Navjot Singh Sidhu hooked every bouncer bowled by his critics over his controversial hug with Pakistani Army chief General Qamar Javed Bajwa, saying he is "human, not a robot" and asked whether late Prime Minister Atal Bihari Vajpayee's bus ride to Lahore in 1999 and PM Narendra Modi's Pakistan visit in 2015 were "anti-national" activities as well going by his detractors.